超低噪聲係統實現室溫量子“光學壓縮”

2026-03-27 02:00:51 來源:環球網 閱讀數:1653

科技日報北京2月20日電 (記者劉霞)在zai量liang子zi力li學xue領ling域yu,科ke學xue家jia一yi直zhi難nan以yi在zai室shi溫wen下xia觀guan測ce和he控kong製zhi量liang子zi現xian象xiang,尤you其qi是shi在zai大da尺chi度du上shang。據ju瑞rui士shi洛luo桑sang聯lian邦bang理li工gong學xue院yuan官guan網wang報bao道dao,該gai校xiao科ke學xue家jia開kai發fa出chu一yi種zhong超chao低di噪zao聲sheng係xi統tong,在zai室shi溫wen下xia實shi現xian了le量liang子zi“光學壓縮”。這項開創性研究有助科學家理解如何創建大而複雜的量子態。相關論文發表於最新一期《自然》雜誌。

一般而言,科學家更容易在接近絕對零度的環境下檢測到量子效應,但這一極低溫度要求製約了量子技術的實際應用。

zaizuixinyanjiuzhong,yanjiutuanduichuangjianleyigechaodizaoshengguangxuejixiexitong。zheshiyizhongguanghejixieyundongxianghulianjiedezhuangzhi。gaixitongshitamennenggougaojingdudiyanjiuhecaozongguangyingxiangyundongdewuti。shiwendezhuyaowentishirezaosheng,tahuiraoluanweimiaodeliangzidonglixue。weizuidaxiandujianshaozhezhongqingkuang,yanjiurenyuanyongdaolezhuanmendefanshejing——腔鏡,其能在有限的空間內來回反射光線,有效地“捕獲”光線,並增強其與係統中機械元件的相互作用。

係統另一關鍵部件是一個4haomideguzhuangzhuangzhi,jijixiezhendangqi,takeyuqiangneideguangxianghuzuoyong。gaizhuangzhishejijingqiao,chicunxiangduijiaoda,nengyuhuanjingzaoshenggelikailai,shikexuejianengzaishiwenxiajiancedaoweimiaodeliangzixianxiang。

研yan究jiu團tuan隊dui可ke在zai不bu需xu要yao極ji低di溫wen度du的de情qing況kuang下xia,有you效xiao地di控kong製zhi和he觀guan察cha宏hong觀guan係xi統tong中zhong的de量liang子zi現xian象xiang。這zhe將jiang有you助zhu於yu擴kuo大da量liang子zi光guang學xue機ji械xie係xi統tong的de使shi用yong範fan圍wei,在zai宏hong觀guan尺chi度du上shang開kai展zhan量liang子zi測ce量liang和he量liang子zi力li學xue實shi驗yan。

yanjiurenyuanbiaoshi,tamenxinkaifadexitongkenenghuicuishengxinxinghunheliangzixitong。zaizhezhongxitongzhong,jixiegukeyubutongwuti,rubeibuhuodeyuanziyun,fashengqiangliedexianghuzuoyong。

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